Rat populations spiking in cities due to warming temperatures, study finds

A new study has found that rat populations have spiked in cities with warming temperatures resulting from climate change. The lead author of that study, University of Richmond associate professor Jonathan Richardson, joined CBS News to discuss the rats.

Rat populations spiking in cities due to warming temperatures, study finds
A new study has found that rat populations have spiked in cities with warming temperatures resulting from climate change. The lead author of that study, University of Richmond associate professor Jonathan Richardson, joined CBS News to discuss the rats.